Intern. J. Neuroscience, 116:1549–1563, 2006 Copyright C  2006 Informa Healthcare ISSN: 0020-7454 / 1543-5245 online DOI: 10.1080/00207450600675217 EFFECTS OF MENSTRUAL CYCLE ON SPORTS PERFORMANCE NECIP FAZIL KISHALI Physical Education and Sports High School Atat ¨ urk University Erzurum, Turkey OSMAN ˙ IMAMOGLU Yas ¸ar Do˘ gu Physical Education and Sports High School Mayıs University Samsun, Turkey DURSUN KATKAT Physical Education and Sports High School Atat ¨ urk University Erzurum, Turkey TULIN ATAN PELIN AKYOL Yas ¸ar Do˘ gu Physical Education and Sports High School Mayıs University Samsun, Turkey The aim of this study was to examine the effects of menstrual cycle on female athletes’ performance. Forty-eight teak-wondo athletes, 76 judoka, 81 volleyball, and 36 basketball players (total 241) elite athletes participated in the study. A questionnaire constituted from 21 questions about menstrual cycle applied. A Received 24 March 2005. Address correspondence to Necip Fazıl Kishali, Atat¨ urk ¨ Universitesi, Beden E˘ gitimi ve Spor Y¨ uksekokulu, Erzurum 25240, Turkey. E-mail: necipfazil@yahoo.com 1549 Int J Neurosci Downloaded from informahealthcare.com by Ondokuz Mayis Univ. on 03/30/11 For personal use only.